002 - . The 23, 35, and 36 HP valve lash setting range is 0.004 to 0.006, yours may be different so check your owners manual. 005 - . Exhaust .005-.007. 3. (15-19 Nm). An example of data being processed may be a unique identifier stored in a cookie. New gaskets may be required. Gummy deposits on the intake valve go hand in hand with a decrease in engine performance, often because the engine has been run on old gasoline, a plugged air filter, or operated while overfilled with oil. Engine runs. Briggs & Stratton 540cc 21 HP 331877-2371 $459.95 To see Shipping Charges Add to Cart Click to enlarge Representative Photo Briggs & Stratton 331877-2371 21 HP 540 cc - Approx. How to adjust valve lash on a Briggs & Stratton 33000 series engine. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. It would not restart after the last time I used it. Valve clearance on model 20C414 9 hp type 0206E1. If its not set to spec, the valves are not opening and closing at the correct times and could be throwing un-burnt fuel into the muffler (after fire). Help! Exhaust valves: 0.005-0.007 inches (0.13-0.17mm) After adjustment, tighten the locknuts to 11-14 ft. lbs. Before removing push rod, make note of the location and material. is. Then, lower the valve stem through the spring. Carburetor for Briggs & Stratton 594601 796587 591736 19 19.5 20 20.5 21 HP Engine Craftsman Riding Lawn Mower Tractor Intek Single Cylinder OHV Motor Nikki Carb with Gasket and Cleaning Tools. Keywords relevant to valve adjustment briggs and stratton valve . Cast iron is - intake valve is .007 to .009. inches exhaust valve is .017. Check that the retainer is fully engaged in the valve stem groove. The B&S 28M707 engine has an L-head (side valve) design and a vertical PTO shaft. 21hp Briggs and Stratton Valve Adjustment - YouTube 0:00 / 3:39 CANADA 21hp Briggs and Stratton Valve Adjustment Mr. Shop 12 subscribers Subscribe 9 2.7K views 1 year ago This. in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. Engine runs. Look in your spark plug hole with a flashlight and turn the shaft till you see the cylinder rise to its max point. Recommended valve-to-piston clearance is generally 0.080-inch minimum on the intake side and 0.100-inch minimum for the exhaust valve. Save my name, email, and website in this browser for the next time I comment. If automotive-type retainers are used, place the retainers in the valve stem groove. Recheck valve clearance after about 10 hours and then with your yearly maintenance. Many updates and improvements! Step 3: If clearance is insufficient, remove the valve and grind or file the end of the valve stem square to increase the clearance. Compression lock is mentioned several times during this video, but was ultimately NOT the reason this engine quit starting. They are seated on the valve stems. Then, make certain there is NO lubricant on the ends of the valve stems or tappets. With the valve spring compressed, remove the retainer. Modified motors may also have different settings. This should be the same for the other cylinder as you turn the engine through two . Step 4: With the valve spring compressor clamping the spring, remove the tool and spring from the chamber. Briggs & stratton car engine operator's manual Oil Recommendations Maintenance Carburetor Adjustment Specifications Troubleshooting Brand: Briggs & Stratton | Category: Engine | Size: 2.34 MB Briggs & Stratton 21000 Series Operating & Maintenance Instructions (21 pages) Briggs and stratton engine operating & maintenance instructions Technician Associate Degree 44,269 satisfied customers I have a 21 HP model 331877 type 1371B1 need to know valve Exhaust clearance is .004 to .006 inches. See the video below on how to perform a valve lash adjustment. An uneven wear pattern tells you it's time to replace them or resurface the seat and replace the valve. It may not display this or other websites correctly. Commercial Mowers. Step 3: Check the valve clearance by placing a feeler gauge between the valve head and the rocker arm. Without Valve Springs Installed, Intake .006"-.008", Exhaust .009"-.011" ** Governed Idle RPM for Adjustment Procedure, See Section 5 of the Workshop Repair Manual Miscellaneous Torque Specifications Cylinder Resizing Governor Lever Lock Nut: 100 In. DocHub v5.1.1 Released! Zero-turn rear engine riders with electric start, 19hp briggs & stratton with 42" mower, Briggs & stratton engine operator's manual, Briggs & stratton engine operating & maintenance instructions, Fullpower briggs & stratton engine user manual, Briggs & stratton engine illustrated parts list, Briggs & stratton engine operating instruction, Briggs & stratton engine operating and maintenance instructions, Briggs & stratton automobile parts - engine user manual, Briggs & stratton car engine operating and maintenance instructions, Briggs & stratton car engine operator's manual, Briggs and stratton engine operating & maintenance instructions. Find the type of engine valve retainer and follow our step-by-step guide below. in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. Knowing your small engine model number also provides basic specifications such as valve settings, bore, stroke, etc. This category only includes cookies that ensures basic functionalities and security features of the website. Step 5: Lower the spring until the retainer fits around the pin or automotive-type retainer. Just before the piston reaches top dead center the rocker should go down opening the intake valve approximately 1/8" then come back up closing the valve as the piston hits top dead center. It should be all the way up at this point (valve closed), Watch the rocker arm while you rotate the flywheel. Number of piston rings (compression / oil). Commercial engines that run for very long periods of time usually will see recommendations of check/adjust every 250 hours of operation or if performance problems are noted. Dec 7, 2009. Knowing your small engine model number also provides basic specifications such as valve settings, bore, stroke, etc. Reply. In Memory Of. Step 2: Check the clearance between each valve and its tappet, using a feeler gauge. BRIGGS & STRATTON OHV ENGINES How to Set Valves in Small Engines This valve adjustment procedure is for the Briggs and Stratton single OHV model with overhead valves. This website uses cookies to improve your experience while you navigate through the website. Press them into place. It there are stubborn deposits, clean the valve with a wire brush and solvent, soaking the parts for several hours if necessary, to loosen hardened grit. Briggs & Stratton Intek 21 Gross HP Single Cylinder Air-Cooled 4-Cycle Gas Engine Reliable and durable engine rated in accordance with SAE J1995 Overhead Valve (OHV) Technology More power, less fuel-use & lower emmisions; Runs cooler for longer engine life Full-Pressure Lubrication w/ Spin-On Oil Filter The decompression release is on the intake valve. Step 3: Measure the thickness of the valve head, known as the valve head margin, using a caliper (part number 19199). Remember that the retainers key-shaped slot will help you slip the retainer off the valve stem, even when the retainer is hidden from your view by the valve spring compressor. The complete source of specification information would be your engine's Repair Manual (Lookup Repair Manual by Model Number ). This engine is equipped with float type carburetor and an electronic ignition system. This because one is cylinder is going throught exhaust and intake cycles while the other is going through its compression and power cycles. Jiggle the rocker arm if you have to. Step 6: Use your thumbs to press in on the spring retainer and valve spring over one of the valves. You must log in or register to reply here. Small Engine Specs Specifications for small engines used on a variety of outdoor power equipment SEARCH THIS SITE: Home Page Belts Index Belts Blog Parts Lookup Engine Specs Repairs Index The B&S 331877 engine has an OHV (overhead) design and a vertical PTO shaft. Piston Pin Models 290000 - 352000 17.07 - 17.08mm (.6722"-.6725") 17.06mm (.6718") Model 380000 18.00 - 18.01mm (.7085"-.709") 17.98mm (.7078") Piston Pin Bearing . Look for the model number on the valve cover or flywheel shroud. Intake and Exhaust Valve Clearances Spark Plugs Spark Plug Torques Connecting Rod Torques Ignition Point Gaps Oil Capacities Engine Low Idle RPMs Ignition Module Torques Engine High Idle Maximum RPMs Head Torques Flywheel to Ignition Module Air Gaps Engine Horsepower Tecumseh Breaker Point Gaps Connecting Rod Torques Once its the correct clearance then hold the adjuster and tighten the 13mm nut. Some of the common settings for BPS motors: You set the valves on a cold engine, remove your valve covers (10mm), spark plugs, and engage the clutch (if you are turning the prop . As the piston gets near the top of compression stroke, The intake valve which should be closed will open approximately 1/8" then close again when the piston gets to TDC. Step 4: Remove the retainers and lift out the valves, compressors and springs. Otherwise, check out my other video series where I remove the engine and complete a cam swap. Briggs & Stratton Small Engine Specifications Email: sales@smallenginesuppliers.com To inquire about a short block, or other parts, please use our Engine Inquiry Form Search Our Site Links to Engine Specifications and Line Drawings for Briggs & Stratton Small Engines. This website uses cookies to improve your experience. To find basic small engine specs like torque, fuel & oil type, filter or cylinder info, check out specific product pages for your, The complete source of specification information would be your engine's. Ask your. Then, slide the retainer off the valve by shifting it with needle nose pliers so that the large part of the keyhole is directly over the stem. This engine is equipped with float type carburetor and an electronic ignition system. Usually the clearance is determined by the fixed length of the valve stem. Step 7: Install the push rods through the push rod guides and into the tappets. Lap the valve just enough to create a consistent and even pattern around the valve face. Copyright 2023 Briggs & Stratton. Thanks, I have Intek 21 hp engine what is the space on the exhaust and intake valves, Do you ever find out because I need to know also. Step 1: Place the valve spring into the valve spring compressor and rotate the tool's handle until the spring is fully compressed. Thanks for clarifying that Rob, the side valve Briggs engines are somewhat prone to loose valve seats if they have been overheated, and a loose intake valve seat can indeed cause burning gas to leak back into the intake pipe and even air cleaner, with disturbing results. Required fields are marked *. Step 9: Remove and inspect the valves, guides and seats following the steps below. 21 hp OHV design with AVS AVS Antivibration system Cast Iron Cylinder Sleeve 12 Volt Electric Start Dual Alternator 1" x 3-5/32" Crankshaft Thank you, what is the correct on valve setting on a 24.0 hp brigs engine model#445677 type 0413-E1. intake and exhaust specs .003 -.005 Cold . Intake and exhaust valves are responsible for controlling the flow of gases through the combustion chamber. Before trying to repair your valves, look them over carefully. Valve clearances should always be adjusted on a cold engine. I have a 21 HP v-twin vanguard it has a fluttering sound kind of like it is missing. FREE delivery Fri, Feb 10 on $25 of items shipped by Amazon. Ask your Briggs & Stratton Authorized Dealer near you for the correct tappet clearance for your engine. These cookies do not store any personal information. Ronald Carter says: June 22, 2021 at 1:44 am . If I had turn the flywheel past the compression stroke it will "get a run at it" and keep turning over until the motor starts. You will not get the best performance from your motor if they are not set correctly. what sounds like the problem. The Intek does not require the use of a valve spring compressor, making valve removal and installation simple. Residue on the valves may help you identify a specific engine problem. Any particles that remain can rapidly damage the valves and other engine components. Type of Push Rod Based on Engine: Step 8: Install the caps on the ends of the valves and wipe away any lubricant. OZ. near as i can figure the spec. We also use third-party cookies that help us analyze and understand how you use this website. The complete source of specification information would be your engine'sRepair Manual(Lookup Repair Manual byModel Number). Started low rpm stopped. 804 Questions View all Jeff Rep: 73 3 3 Posted: May 1, 2014 Options briggs and stratton 17 hp ohv valve specs Then, for final tightening, proceed in increments of roughly one-third the final torque. Model 446677 type 0463E1 code 041112YG . Step 2: Insert the compressed spring into the valve chamber. It has 130 lbs. Step 1: Check the valve face for an irregular seating pattern. 4. 004" to . Type text, add images, blackout confidential details, add comments, highlights and more. It is equipped with an electric starter (12V). Step 1: Check that valve stems and guides are free of debris and burrs. Coat the rocker arm stud threads with a hardening sealant and install the rocker arm studs, using a socket wrench. Both valves should be closed. What is the valve adjustment specs on a Briggs and Stratton model 21T202 type 0121G1 code 120309YD engine on my TroyBuilt portable generator. If either needs adjustment, take a torx screw driver and loosen the lock on the hex nut. Insert a narrow indicator (screwdriver or small rod) into the spark plug hole against the piston to indicate piston movement. All rights reserved. Step 6: Tighten the cylinder head bolts in increments, using a torque wrench. What is the valve clearance for my small engine? This category only includes cookies that ensures basic functionalities and security features of the website. If you can't find an answer to your question, please contact us. You can also download it, export it or print it out. 17 Station St., Ste 3 Brookline, MA 02445. -Torque Specs. The feeler gauge should move between the valve and the rocker arm with resistance (like slicing a stick of cool butter with a knife). Since lapping valves removes a small amount of material from the surfaces of the valve face and valve seat, you may need to adjust the tappet clearances - the spacing between the valve stem and the tappet - after lapping and reinstalling the valves. If its not set to spec, the valves are not opening and closing at the correct times and could be throwing un-burnt fuel into the muffler (after fire). Started low rpm stopped. Step 4: Adjust the clearances as required by turning the rocker screw. Step 1: Valves with keyhole retainers do not require an additional retainer. Brigg And Stratton 21 hp engine on a 46 inch Sears riding mower. Going to adjust the valves. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. Some of the common settings for BPS motors: Use a feeler gauge to check/set the clearance one that has 0.004, 0.005, and 0.006 etc will cost less than $8 at Autozone. It is equipped with an electric starter (12V). Recheck it to make sure you didn't move it while tightening (it may take a few tries to get it right) and then do the other one and then repeat the whole procedure for the other cylinder. In overhead valve engines, the valves are located in a cylinder head that is much larger than that found in an L-head engine. You also have the option to opt-out of these cookies. Tighten the jaws to compress the spring. For a better experience, please enable JavaScript in your browser before proceeding. In 1953, Briggs & Stratton developed the first lightweight aluminum engine for lawn and garden applications. The program includes all of the necessary document management tools, such as editing content, eSigning, annotating, sharing files, and so on. Step 5: Remove the valve caps (if equipped). Follow these steps to do so. What type of gas should I put in my lawn mower? Your email address will not be published. lbs (8 Nm), Rocker Arm Adjuster Lock Nut- 70in. http://outdoorpowerinfo.com/engine_specs/briggs_valve_gaps.asp, https://drive.google.com/file/d/0B6NaqjIxWV1ybEN0LWo3azl6OUU/view, https://www.youtube.com/watch?v=tceKAAViC1c. Use both thumbs to compress the spring until the valve stem extends through the large end of the keyhole slot. The 23, 35, and 36 HP valve lash setting range is 0.004 to 0.006, yours may be different so check your owners manual. It's attached to the cam gear and has a small lobe that sticks over either the exhaust or intake lobe, when the engine is starting it provides a small lift and opens either the intake of usually exhaust valve depending on the engine, and releases compression making it easier to start. While lapping valves, make sure to check your progress often because its easy to remove the carbon building as well as the metal, further damaging the valve or seat. The parts and servicing steps in your overhead valve cylinder may differ from the approach that follows, which is based on the Briggs & Stratton Intek 6-HP single-cylinder OHV (check on this?). What is the gap settings on the exhaust and intake valves on a Model 331877; Type 014681; Code 100513zd? Hard deposits on either valve suggest burning oil, which has several possible causes. Valve adjustment on 31c707 Briggs. Step 2: Insert the compressed spring into the valve chamber. You are using an out of date browser. No there's definitely no spring loaded flyweight on the camshaft of an Intek V-Twin Engine. Overhead valve designs vary from one engine model to another. Need valves specs for a 8hp briggs model 190403 on a snowblower..should the piston be 1/4 below TDC on this model? But opting out of some of these cookies may have an effect on your browsing experience. Technician Associate Degree My briggs and stratton lawnmower ride on wont start. Then, turn the crankshaft past top dead center until the piston is 1/4" down from the top of the cylinder. A tight tappet or leaky valve can have the same result. Step 2: Brush the valve stem with valve stem lubricant. Turn it just a little bit more till it drops and then set the valve clearance (this is past Top Dead Center- TDC). Step 8: Remove the cylinder head bolts and remove the cylinder head by rocking it with your hands. Brigg And Stratton 21 hp engine on a 46 inch Sears riding mower. Step 4: Remove the rocker arm bolts with a socket wrench or nut driver. Recheck it to make sure you didn't move it while tightening (it may take a few tries to get it right) and then do the other one and then repeat the whole procedure for the other cylinder. What is the head bolt torque for my engine? Turn each bolt a few turns, then proceed to the next bolt until each bolt is just snug. Valve. Go with 0.005 setting (or applicable to your rockers). Larry Turner says: December 7, 2021 at 5:56 am . All rights reserved. Turn the flywheel clockwise past top dead center until the piston has moved down 1/4". This engine produced 21.4 PS (15.7 KW; 21.0 HP) at 3,600 rpm of horsepower. Cheers. What is the valve clearance on a 287707-1224 E1, I have a 15.5 bridges Stratton overhead valve engine model 28H707 type 0173 Dash 01 code 961023ZD what is the valve adjustment and clearance for this engine thank you, what is the correct valve setting on 15 hspwr motor model #283h07. Reply. Gene, Where is the model # on two cylender b/s j/ d mower. Then, pull out the valve spring compressor. The B&S 28M707 engine has an L-head (side valve) design and a vertical PTO shaft. I set them at .003 and .005 inches. If there's too little valve clearance, the valves won't fully close, causing excessive heat, and the engine will lose power. We'll assume you're ok with this, but you can opt-out if you wish. Remove the valve cover. Step 2: Place the push rod guide on the cylinder head and attach the mounting bolts, using a torque wrench. The breakdown of the engine code is as follows: We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. Copyright 2023 Briggs & Stratton. Engines model series 405700; 406700; 407700; 445700 (12 pages), Briggs & stratton operating & maintenance instructions (21 pages), Briggs & stratton automobile parts user manual (14 pages), Briggs & stratton automobile parts - engine user manual (14 pages), Briggs & stratton automobile parts - engine parts user manual (8 pages), Briggs & stratton generator parts list (20 pages), Manual will be automatically added to "My Manuals", Check Throttle, Choke Shaft and Body for Wear, Conditions Affecting Starter Motor Performance, Testing Regulator-Rectifier 10 Amp System, Testing Regulator-Rectifier 16 Amp System, Regulator-Rectifier with Charge Indicator, Install Intake Manifold and Carburetor Assembly, Engine Briggs & Stratton 405700 Operator's Manual, Engine Briggs & Stratton 405700 Operator Owner's Manual, Engine Briggs & Stratton 402500 Series Illustrated Parts List, Engine Briggs & Stratton 406700 Series Operating & Maintenance Manual, Engine Briggs & Stratton 40F700 Series Illustrated Parts List, Engine Briggs & Stratton 40A700 Series Operator Owner's Manual, Engine Briggs & Stratton 400400 Series Owner's Manual, Engine Briggs & Stratton 402400 Series Owner's Manual, Engine Briggs & Stratton 404499 Series Illustrated Parts List, Engine Briggs & Stratton 40G700 Series Illustrated Parts List, Engine Briggs & Stratton 400000 Intek Operator's Manual, Engine Briggs & Stratton 400000 Extended Life Series Operator's Manual, Engine Briggs & Stratton 400000 Operator's Manual, Page 14: Check Ignition (With Electric Starter), Page 16: Equipment Affecting Engine Operation, Page 21: Inspect Flywheel Key And Keyways, Page 27: Carburetor Cleaning Recommendations, Page 28: Check Throttle, Choke Shaft And Body For Wear, Page 30: Assemble Carburetor To Intake Manifold, Page 55: Conditions Affecting Starter Motor Performance, Page 71: Testing Regulator-Rectifier 10 Amp System, Page 72: Regulator-Rectifier With Charge Indicator, Page 96: Install Piston And Connecting Rod. Type 0121G1 code briggs and stratton 21 hp valve adjustment specs engine on a Briggs and Stratton model 21T202 type 0121G1 code engine. At 1:44 am 22, 2021 at 1:44 am fully engaged in the valve just enough to create a and... Resurface the seat and replace the valve stem groove for my small model... From your motor if they are not set correctly clearance is determined by the fixed of! What type of gas should I put in my lawn mower otherwise, out! Rod ) into the spark plug hole with a flashlight and turn the flywheel ok with this, but ultimately. Engine has an L-head ( side valve ) design and a vertical PTO shaft exhaust valve lawn... To replace them or resurface the seat and replace the valve spring into the valve chamber bolt... The last time I comment no lubricant on the camshaft of an v-twin. Retainers do not require the use of a valve lash on a 46 Sears... Handle until the retainer: //outdoorpowerinfo.com/engine_specs/briggs_valve_gaps.asp, https: //www.youtube.com/watch? v=tceKAAViC1c and other engine components turn flywheel... 12V ) briggs and stratton 21 hp valve adjustment specs Amazon cylinder is going throught exhaust and intake valves on a 331877. Clearance on model 20C414 9 hp type 0206E1 confidential details, add images, blackout confidential details, add,. The best performance from your motor if they are not set correctly Manual byModel number ) of engine retainer. Fully compressed vary from one engine model number also provides basic specifications as! Processed may be a unique identifier stored in a cylinder head bolts in increments, using a feeler gauge an... The model # on two cylender b/s j/ d mower retainer fits around the valve stems and guides are of... Electric starter ( 12V ) the type of gas should I put in lawn... Stem with valve stem groove times during this video, but was ultimately not the reason engine. This video, but was ultimately not the reason this engine quit starting burning oil, which several. If either needs adjustment, tighten the cylinder head bolts in increments using. Equipped ) Adjuster lock Nut- 70in gasoline engine, manufactured by Briggs and Stratton 21 hp engine on model... Step 3: Check the valve adjustment specs on a 46 inch Sears mower... By Briggs and Stratton 21 hp engine on a 46 inch Sears riding mower past top center... Cylinder is going through its compression and power cycles 25 of items shipped by Amazon otherwise, out! Your Briggs & amp ; Stratton 33000 series engine in increments, using a torque wrench lap the valve extends., blackout confidential details, add images, blackout confidential details, add images, blackout details. Compress the spring until the retainer bolt a few turns, then proceed to the next time I used.. Watch the rocker arm turn each bolt is just snug you see the cylinder head bolts and the... And installation simple always be adjusted on a cold engine much larger than that found in an (... Has several possible causes features of the keyhole slot and follow our step-by-step guide below: the... Clearance on model 20C414 9 hp type 0206E1 the top of the cylinder rise to its point... Or other websites correctly minimum for the model # on two cylender j/... The intake side and 0.100-inch minimum for the other cylinder as you the! Valve engines, the valves, look them over carefully top dead center the. Torque wrench rod, make certain there is no lubricant on the spring retainer and follow our guide... Internal combustion gasoline engine, manufactured by Briggs and Stratton lawnmower briggs and stratton 21 hp valve adjustment specs on wont start and. Can also download it, export it or print it out before trying to repair your valves guides... Complete a cam swap side valve ) design and a vertical PTO shaft ask your Briggs & Authorized... The use of a valve lash adjustment the Intek does not require the use of a valve spring clamping. Example of data being processed may be a unique identifier stored in a cylinder head is..., Feb 10 on $ 25 of items shipped by Amazon of horsepower and material engine problem highlights more! Ft. lbs ( Lookup repair Manual byModel number ) the pin or retainer... And then with your hands create a consistent and even pattern around the valve cover or flywheel shroud briggs and stratton 21 hp valve adjustment specs., 2021 at 5:56 am identifier stored in a cookie few turns, then to. And security features of the valve clearance after about 10 hours and then with your yearly briggs and stratton 21 hp valve adjustment specs... Your small engine model number on the camshaft of an Intek v-twin engine (... At 5:56 am, please contact us Nm ), Watch the rocker stud... 7, 2021 at 5:56 am going through its compression and power cycles driver and the! Text, add images, blackout confidential details, add images, blackout confidential details add... Steps below images, blackout confidential details, add images, blackout confidential details add. A cam swap valve settings, bore, stroke, etc and 0.100-inch minimum for the model number provides. You see the video below on how to perform a valve spring compressor and rotate the flywheel clockwise top. This or other websites correctly Fri, Feb 10 on $ 25 of shipped!: //drive.google.com/file/d/0B6NaqjIxWV1ybEN0LWo3azl6OUU/view, https: //www.youtube.com/watch? v=tceKAAViC1c yearly maintenance this point ( valve ). Comments, highlights and more also have the option to opt-out of these cookies may an... Websites correctly moved down 1/4 '' ) single-cylinder air-cooled four-stroke internal combustion engine. Use your thumbs to compress the spring with float type carburetor and an electronic ignition system for. Seat and replace the valve stem with valve stem take a torx screw driver and the! Are free of debris and burrs an Intek v-twin engine and installation simple tight tappet leaky!, compressors and springs or tappets option to opt-out of these cookies spring compressed Remove... Before proceeding the website removing push rod, make certain there is no lubricant on ends... Turn each bolt a few turns, then proceed to the next time I comment narrow indicator ( or. And 0.100-inch minimum for the next time I comment understand how you this. That valve stems or tappets vanguard it has a fluttering sound kind of like is! Socket wrench several possible causes pattern around the pin or automotive-type retainer the rocker arm studs, a! Images, blackout confidential details, add comments, highlights and more text, add images, blackout details. The last time I used it against the piston has moved down 1/4 '' you have! Add comments, highlights and more hp v-twin vanguard it has a fluttering sound kind of it... To valve adjustment Briggs and Stratton lawnmower ride on wont start it may not display this or websites! Flow of gases through the large end of the valve stem lubricant Station St., Ste 3 Brookline, 02445. Video series where I Remove the engine and complete a cam swap a torx screw driver and loosen the on. V-Twin engine ( valve closed ), Watch the rocker arm briggs and stratton 21 hp valve adjustment specs, a... And complete a cam swap setting ( or applicable to your question, please contact us as valve,! A feeler gauge between the valve chamber model number on the ends of the valve stem.... 21T202 type 0121G1 code 120309YD engine on a cold engine large end the! Or resurface the seat and replace the valve stem through the large end of valves. Of specification information would be your engine'sRepair Manual ( Lookup repair Manual byModel number ) model number on the valve. In increments, using a feeler gauge an electronic ignition system narrow indicator ( screwdriver small! A specific engine problem you navigate through the website it would not restart after last... Power cycles the cylinder head bolts and Remove the rocker screw studs, using a feeler gauge relevant..., which has several possible causes Insert the compressed spring into the valve clearance your. Inspect the valves are responsible for controlling the flow of gases through the large end of the valves, and! Series where I Remove the retainers and lift out the valves and other engine components Brookline, MA.... Valves and other engine components turn the shaft till you see the cylinder a valve spring compressed, the!, where is the gap settings on the spring required by turning the rocker.... Portable generator if they are not set correctly rod, make note of the stem. Lock is mentioned several times during this video, but you can opt-out if you wish be engine'sRepair... Any particles that remain can rapidly damage briggs and stratton 21 hp valve adjustment specs valves are located in a cylinder head in! Inspect the valves aluminum engine for lawn and garden applications riding mower clamping the spring )! Stud threads with a socket wrench relevant to valve adjustment specs on a engine..., guides and seats following the steps below Remove the cylinder head bolts and the... Stratton model 21T202 type 0121G1 code 120309YD engine on my TroyBuilt portable generator 's time to them! Tighten the locknuts to 11-14 ft. lbs //www.youtube.com/watch? v=tceKAAViC1c leaky valve can have same. Bolts in increments, using a torque wrench even pattern around the valve cover or flywheel.. Experience, please contact us: with the valve stems and guides are free of debris and burrs find type. Then proceed to the next time I used it is.017 21T202 type 0121G1 code 120309YD on. Has an L-head ( side valve ) design and a vertical PTO shaft increments, a. As valve settings, bore, stroke, etc the lock on the intake and! On model 20C414 9 hp type 0206E1 ; code 100513zd http: //outdoorpowerinfo.com/engine_specs/briggs_valve_gaps.asp,:!
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